127662213613 has 32 divisors (see below), whose sum is σ = 150191262720. Its totient is φ = 107365440000.

The previous prime is 127662213611. The next prime is 127662213619. The reversal of 127662213613 is 316312266721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 127662213613 - 2¹ = 127662213611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127662213611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934881 + ... + 1062697.

It is an arithmetic number, because the mean of its divisors is an integer number (4693476960).

Almost surely, 2^127662213613 is an apocalyptic number.

It is an amenable number.

127662213613 is a deficient number, since it is larger than the sum of its proper divisors (22529049107).

127662213613 is a wasteful number, since it uses less digits than its factorization.

127662213613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127989.

The product of its digits is 108864, while the sum is 40.

The spelling of 127662213613 in words is "one hundred twenty-seven billion, six hundred sixty-two million, two hundred thirteen thousand, six hundred thirteen".